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[Bug target/14812] ARM optimizer changes rsb/cmp to cmn, but condition codes different
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Apr 2005 10:52:00 -0000
- Subject: [Bug target/14812] ARM optimizer changes rsb/cmp to cmn, but condition codes different
- References: <20040401194620.14812.marcus@tuells.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-04-04 10:51 -------
Subject: Bug 14812
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: rearnsha@gcc.gnu.org 2005-04-04 10:51:41
Modified files:
gcc : ChangeLog
gcc/config/arm : arm.c
Log message:
PR target/14812
* arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
a negated value.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8108&r2=2.8109
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/arm/arm.c.diff?cvsroot=gcc&r1=1.434&r2=1.435
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14812